nav {
  height: 40px;
  color: #b0b0b0;
  background: #333;
}
.left_nav,
.right_nav {
  height: 40px;

  line-height: 40px;
  text-align: center;
}
.left_nav {
  float: left;
}
.right_nav {
  float: right;
}
.left_nav li,
.right_nav li {
  display: inline-block;
}
.right_nav li a,
.left_nav li a {
  color: #ccc;
  padding: 0 5px;
  font-size: 12px;
}
.right_nav li a:hover,
.left_nav li a:hover {
  color: white;
}
.w .logo img {
  width: 56px;
  height: 56px;
  margin-right: 142px;
}
.logo {
  margin-top: 12px;
  height: 56px;
  line-height: 56px;
  margin-bottom: 23px;
}
.logo .shang_pin ul li {
  display: inline-block;
  margin-right: 30px;
}
.logo .shang_pin ul li a {
  color: #333;
  font-size: 14px;
}
.logo img,
.shang_pin,
input {
  float: left;
}
.shang_pin {
  height: 56px;
  margin-top: 0px;
}
header {
  height: 460px;
  margin-bottom: 15px;
}
header .nav {
  width: 237px;
}
header .nav,
.right {
  float: left;
}
header .right {
  background: url(../images/1.webp) no-repeat center;
  width: 963px;
  height: 460px;
}
.nav ul li {
  line-height: 46px;
  text-indent: 1.8em;
  height: 46px;
  background-color: #2c505f;
}
.nav ul li a {
  color: white;
  float: left;
}
.big {
  color: white;
  float: right;
  margin-right: 25px;
}
.photo {
  height: 173px;
  margin-bottom: 68px;
}
.photo .photo1,
.photo2,
.photo3,
.photo4 {
  float: left;
}
.photo1 {
  width: 238px;
  height: 173px;
  margin-right: 15px;
  background: url(../小米官网/images/bottom.png) no-repeat center;
  background-color: #5f5750;
  float: left;
}
.photo2 {
  width: 320px;
  height: 173px;
  margin-right: 15px;
  background: url(../小米官网/images/pro1.png) no-repeat center;
}
.photo3 {
  width: 318px;
  height: 173px;
  margin-right: 15px;
  margin-top: 0px;
  background: url(../小米官网/images/pro2.png) no-repeat center;
}
.photo4 {
  width: 279px;
  height: 173px;
  background: url(../小米官网/images/pro3.png) no-repeat center;
}

.bgc {
  height: 800px;
  background-color: #f5f5f5;
}
.shang_pin2 {
  height: 670px;
}
.shang_pin2 .title {
  height: 50px;
  font-size: 22px;
  line-height: 50px;
}
.left_photo {
  height: 670px;
  width: 236px;

  margin-right: 15px;
  float: left;
}
.left_photo img {
  width: 100%;
  height: 100%;
}
.right_photo {
  width: 949px;
  height: 676px;
  float: left;
}
.shagn {
  width: 226px;
  height: 330px;
  float: left;
  margin-right: 15px;
  background-color: white;
  float: left;
  position: relative;
}
#bottom {
  margin-right: 0px;
}
.shagn img {
  width: 165px;
  height: 133px;
  padding-top: 29px;
  padding-left: 40px;
  padding-right: 40px;
}
.shagn h4 {
  margin-top: 48px;
  font-size: 14px;
  text-align: center;
  margin-bottom: 8px;
}
.shagn span {
  color: #b0b0b0;
  text-align: center;
  display: block;
  margin-bottom: 40px;
}
.shagn p {
  color: #ff6700;
}
.shagn div {
  background-color: #ffac5c;
  color: #fff7b7;
  width: 66px;
  height: 21px;
  text-align: center;
  position: absolute;
  top: 0;
  left: 86px;
  right: 86px;
}
.w .box {
  width: 955px;
  height: 127px;
  margin-top: 56px;
  border-right: #ccc 0.5px solid;
}
.w .bigbox .box dl {
  display: inline-block;
  margin-right: 100px;
  color: black;
}
.box dl dt {
  margin-bottom: 30px;
  font-size: 12px;
}
.box dl dd {
  margin-bottom: 20px;
  font-size: 10px;
  color: #666;
}
.bigbox {
  height: 220px;
}
.bigbox .box,
.tel {
  float: left;
}
.tel {
  margin-top: 60px;
  margin-left: 54px;
}
.tel h4 {
  color: #ffb356;
  font-size: 22px;
  margin-bottom: 13px;
}
.tel p,
span {
  color: #616161;
}
.hui_se {
  background-color: #f5f5f5;
}
footer {
  width: 780px;
  height: 62px;
  padding-top: 32px;
  margin-bottom: 35px;
}
footer ul li {
  display: inline-block;
  font-size: 11px;
}
footer img,
.box {
  float: left;
}
footer .footer {
  color: #b0bacc;
  text-align: left;
}
footer img {
  margin-right: 40px;
}
.bottom {
  color: #bababa;
  font-size: 18px;
  line-height: 27px;
  text-align: center;
}
